# TexAu V3 API

## Documentation

- [Getting Started](https://v3-api-doc.texau.com/introduction.md): Welcome to the TexAu V3 API. This guide will help you make your first API call in under 5 minutes.
- [Quickstart](https://v3-api-doc.texau.com/quickstart.md): Make your first TexAu API call in under 5 minutes.
- [Core Concepts](https://v3-api-doc.texau.com/concepts.md): Key concepts for working with the TexAu V3 API — credits, rate limits, webhooks, and async jobs.
- [Credits & Pricing](https://v3-api-doc.texau.com/credits-and-pricing.md): TexAu V3 API uses a credit-based billing system. You purchase credits and they are deducted as you make API calls.
- [Code Examples](https://v3-api-doc.texau.com/code-examples.md): Complete code examples for all 35 TexAu V3 API endpoints in cURL, Python, and TypeScript.
- [Error Handling](https://v3-api-doc.texau.com/errors.md): The TexAu V3 API uses standard HTTP status codes and returns JSON error responses.
- [Enrichment APIs](https://v3-api-doc.texau.com/encirhment.md): Enrich LinkedIn profiles and company pages with detailed data including job history, education, skills, and more.
- [Waterfall Enrichment](https://v3-api-doc.texau.com/waterfall.md): Synchronous, single-record endpoints that query multiple data sources in sequence and return the first confident match. One call, one result, pay for success.
- [Search APIs](https://v3-api-doc.texau.com/search.md): Search across LinkedIn profiles and posts with powerful filters. Includes post details and post activity feeds.
- [Web Scraping APIs](https://v3-api-doc.texau.com/web-scraping.md): Web data extraction endpoints — meta tags, tech stack, pixels, full-page scrape, emails, sitemap, the flagship `website_intelligence` report, plus search and directory tools.
- [YouTube APIs](https://v3-api-doc.texau.com/youtube.md): Search YouTube videos, extract video metadata and captions, and scrape channel data.
- [LinkedIn Ads & Lead Search](https://v3-api-doc.texau.com/linkedin.md): Search LinkedIn's Ad Library, get ad details with targeting data, run advanced lead searches with 30+ filters, and resolve geo IDs for location-based queries.
- [Email APIs](https://v3-api-doc.texau.com/emails.md): Find and verify email addresses at scale. Both endpoints use webhook delivery for results and support polling via inquiry endpoints.
- [AI Enrich](https://v3-api-doc.texau.com/ai-enrich.md): A unified gateway for LLM-powered text generation and enrichment. Route prompts to OpenAI, Anthropic, Gemini, or Perplexity through a single endpoint — with prompt templating, structured JSON output, and optional web search.
- [Custom Functions](https://v3-api-doc.texau.com/custom-functions.md): 14 utility endpoints for cleaning, normalizing, classifying, and formatting data inside your workflows. Run entirely on TexAu infrastructure with no external provider dependencies.
- [Changelog](https://v3-api-doc.texau.com/changelog.md): TexAu V3 API release history and updates.
- [API Status & SLA](https://v3-api-doc.texau.com/notice.md): TexAu V3 API uptime, performance targets, and support information.
- [Help Center](https://v3-api-doc.texau.com/help-center.md): Find answers, guides, and troubleshooting resources for the TexAu V3 API.

## API Reference

- [Authentication](https://v3-api-doc.texau.com/authentication.md): All TexAu V3 API requests require an API key passed in the x-api-key header.
- [Health Check](https://v3-api-doc.texau.com/get-health.md): Returns API status and number of available endpoints. No authentication required.
- [Check Credit Usage](https://v3-api-doc.texau.com/get-usage.md): Returns your credit consumption for the current or specified month.
Requires your `x-api-key` header.

- [List Accessible Endpoints](https://v3-api-doc.texau.com/get-my-endpoints.md): Returns the list of API endpoints the authenticated customer can access,
along with per-endpoint credit cost and monthly limits based on their plan.

- [Enrich LinkedIn Profile](https://v3-api-doc.texau.com/post-enrich_profile.md): Returns detailed profile data for a LinkedIn person URL.

**Pricing:** 1 credit per call

- [Enrich LinkedIn Company](https://v3-api-doc.texau.com/post-enrich_company.md): Returns detailed company data for a LinkedIn company URL.

**Pricing:** 1 credit per call

- [Bulk Enrich LinkedIn Profiles](https://v3-api-doc.texau.com/post-enrich_profiles_bulk.md): Fetch detailed LinkedIn person profile data for up to 50 profiles in a single call.
More efficient than calling `/enrich_profile` repeatedly.

**Pricing:** 1 credit per profile returned.

- [Bulk Enrich LinkedIn Companies](https://v3-api-doc.texau.com/post-enrich_companies_bulk.md): Fetch detailed LinkedIn company profile data for up to 50 companies in a single call.
More efficient than calling `/enrich_company` repeatedly.

**Pricing:** 1 credit per company returned.

- [People Search (V2)](https://v3-api-doc.texau.com/post-people_search.md): Search across 700M+ LinkedIn profiles by account filters (industry, domain, company)
and contact filters (job title, location).

**Pricing:** 0.1 credits per result returned.
If you request `size: 100` and get 100 results, you are charged 10 credits.

- [Post Keyword Search](https://v3-api-doc.texau.com/post-post_keyword_search.md): Search LinkedIn posts by keyword with filters for date, content type, author industry, and more.

**Pricing:** 6 credits per call

- [LinkedIn Profile Search](https://v3-api-doc.texau.com/get-profile_search.md): Search LinkedIn profiles by name, company, title, location, and more.
Supports fuzzy name matching and pagination. All query parameters are optional
but at least one filter should be provided.

**Pricing:** 0.1 credit per profile returned (billed per page).

- [Bing Search](https://v3-api-doc.texau.com/post-search_bing.md): Search the web using Bing and get SERP results.

**Pricing:** 1 credit per call

- [Google Trends](https://v3-api-doc.texau.com/post-search_google_trends.md): Get Google Trends data for a keyword, including timeline data, related queries, and rising queries.

**Pricing:** 1 credit per call

- [Fetch Post Details](https://v3-api-doc.texau.com/post-post_details.md): Retrieves full details of a LinkedIn post including comments and reactions.
You can look up a post by its URL or URN.

**Pricing:** 1 credit per call

- [Fetch Profile Activities (V2)](https://v3-api-doc.texau.com/post-profile_activities.md): Retrieves recent activities (posts, comments, reactions) for a LinkedIn profile.

**Pricing:** 2 credits per call

- [LinkedIn Geo ID Search](https://v3-api-doc.texau.com/get-geo_id_search.md): Search LinkedIn Geo IDs by location name. Returns geoId + title pairs
for use with `profile_search`'s `geoId` parameter or for
verifying location resolution in `lead_search`.

**Pricing:** 0.01 credit per call.

- [LinkedIn Ad Search](https://v3-api-doc.texau.com/get-ad_search.md): Search LinkedIn's Ad Library by keyword, company, country, and date range.
Supports both structured parameters and raw Ad Library search URLs.

**Pricing:** 0.2 credit per result in the `elements` array.

- [LinkedIn Ad Details](https://v3-api-doc.texau.com/get-ad_details.md): Get full details of a specific LinkedIn ad including creative variants,
impression breakdown by country, and targeting segments.

**Pricing:** 2 credits per call.

- [LinkedIn Lead Search](https://v3-api-doc.texau.com/post-lead_search.md): Advanced LinkedIn lead search with 20+ filters, inclusion/exclusion
criteria, and Sales Navigator URL support. Submit clean, human-readable
labels (e.g. `"seniority": ["Director"]`) and TexAu resolves them to
LinkedIn IDs server-side. Geo names are resolved automatically.

Use `GET /search_reference_data` to discover valid filter labels.

**Pricing:** 0.5 credit per result in the `elements` array.

- [LinkedIn Reference Data](https://v3-api-doc.texau.com/get-search_reference_data.md): Returns all valid filter labels for `lead_search`. Use this to
populate dropdowns or validate filter values before submitting a search.
No external API call is made — data is served from an in-memory catalog.

**Pricing:** Free (0 credits).

- [Email Finding](https://v3-api-doc.texau.com/post-email_finding.md): Finds email addresses for a list of people based on first name, last name, and company domain.
Results are delivered to your webhook URL when processing is complete.

**Pricing:** 2 credits per person in the request.

**How it works:**
1. Submit a list of people with their names and company domains
2. Provide your webhook URL where results will be delivered
3. Receive an immediate response with a job `id` and `state`
4. When processing completes, results are POSTed to your webhook
5. You can also poll the results using the Email Finding Inquiry endpoint

- [Email Finding Inquiry](https://v3-api-doc.texau.com/get-email_finding_inquiry-id.md): Returns the results of an email finding job by its ID.
Use this to poll for results or retrieve them after your webhook has been called.

**Pricing:** Free (0 credits) — checking results does not cost credits.

- [Email Verification](https://v3-api-doc.texau.com/post-email_verification.md): Verifies the validity and deliverability of email addresses (including catch-all detection).
Results are delivered to your webhook URL when processing is complete.

**Pricing:** 0.5 credits per email in the request.

- [Email Verification Inquiry](https://v3-api-doc.texau.com/get-email_verification_inquiry-id.md): Returns the results of an email verification job by its ID.

**Pricing:** Free (0 credits).

- [Extract Meta Tags](https://v3-api-doc.texau.com/post-web_meta_tags.md): Extract OG, Twitter Card, and SEO meta tags from any URL.

**Pricing:** 1 credit per call

- [Extract JSON-LD Structured Data](https://v3-api-doc.texau.com/post-web_json_ld.md): Extract JSON-LD structured data from any URL.

**Pricing:** 1 credit per call

- [Detect Tracking Pixels](https://v3-api-doc.texau.com/post-web_pixels.md): Detect tracking pixels on a page (Google Tag Manager, Google Analytics, Facebook Pixel, etc.).

**Pricing:** 1 credit per call

- [Full Page Scrape](https://v3-api-doc.texau.com/post-web_scrape.md): Full page scrape via Firecrawl. Returns HTML, markdown, links, and title.

**Pricing:** 1 credit per call

- [Extract Social Media Links](https://v3-api-doc.texau.com/post-web_social_links.md): Extract social media profile links from any URL.

**Pricing:** 1 credit per call

- [Detect Tech Stack](https://v3-api-doc.texau.com/post-web_tech_stack.md): Detect technologies used on a website and generate GTM (Go-To-Market) signals
including company stage, estimated tech spend, and buying signals.

**Pricing:** 1 credit per call

- [Extract Emails from Website](https://v3-api-doc.texau.com/post-web_emails.md): Extract email addresses by crawling multiple pages of a website.

**Pricing:** 2 credits per call

- [Extract Sitemap URLs](https://v3-api-doc.texau.com/post-web_sitemap.md): Extract URLs from a website's sitemap.

**Pricing:** 1 credit per call

- [Website Intelligence (Flagship)](https://v3-api-doc.texau.com/post-website_intelligence.md): Flagship endpoint that runs meta_tags, json_ld, pixels, tech_stack, social_links,
emails, SSL certificate analysis, and response headers inspection in parallel.
Returns a comprehensive website intelligence report including SEO scoring.

**Pricing:** 5 credits per call

- [Yellow Pages Business Search](https://v3-api-doc.texau.com/post-directory_yellowpages.md): Search for businesses on Yellow Pages by query and location.

**Pricing:** 1 credit per call

- [Search YouTube Videos](https://v3-api-doc.texau.com/post-youtube_search.md): Search YouTube videos by query.

**Pricing:** 1 credit per call

- [YouTube Video Details](https://v3-api-doc.texau.com/post-youtube_video.md): Get full details for a YouTube video including metadata, tags, chapters, and captions.

**Pricing:** 1 credit per call

- [YouTube Channel Info](https://v3-api-doc.texau.com/post-youtube_channel.md): Get detailed information about a YouTube channel.

**Pricing:** 1 credit per call

- [YouTube Channel Videos](https://v3-api-doc.texau.com/post-youtube_channel_videos.md): List videos from a YouTube channel.

**Pricing:** 2 credits per call

- [Slack Channel Members](https://v3-api-doc.texau.com/post-slack_channel_members.md): Extract members from a Slack channel. Requires workspace cookie and token for authentication.

**Pricing:** 2 credits per call

- [Create API Key (Admin)](https://v3-api-doc.texau.com/post-admin-create-key.md): Admin-only endpoint that creates a new API key for a customer.
Requires the `admin_secret` in the request body for authorization.
This endpoint does **not** use the standard `x-api-key` authentication.

- [Webhook Receiver](https://v3-api-doc.texau.com/post-webhooks-webhookid.md): Receives webhook callbacks from external providers (e.g. email finding, email verification).
This endpoint is called by providers, not by API customers. No authentication required.